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Hi, I am developing a common receiver structure for UMTS and GPS. I have the following doubt, My problem is that 1. In the transmitter section the data sequence should be passed thorugh a square root raised cosine filter to reduce ISI, for UMTS for GPS It is a rectangle, i.e each bit is a rectangle in GPS and a square root raised cosine in UMTS. So how to generate a signal with square root raised cosine pulse shape in Matlab ? 2. At the receiver the recived signal is correlated with the original sequnce, for GPS it is a rectangle as the correlation of two rectangles is a Triangle. Like that for UMTS if we correlate two square root raised cosine signals, what is the output wave form of the resultant signal? Can any one pls clarify my doubts? Thanks in Advance -SaiRamesh. |
Raised cosine
Started by ●July 30, 2003
